§ 321. Local health officer; power of commissioner to appoint;
expenses. 1. If any local board of health fails to appoint a health
officer qualified as provided in the sanitary code, the commissioner may
exercise the powers of a health officer in such municipality, or
designate a health officer qualified as provided in the sanitary code,
to exercise such powers.

2. The expenses lawfully incurred by the commissioner in such
municipality shall be a charge upon and paid by such municipality until
such time as a local health officer shall be appointed therein,
whereupon the jurisdiction conferred by this section on the commissioner
or other person designated by him shall cease.